xref: /dpdk/drivers/net/e1000/base/e1000_api.c (revision c7e9729d)
1 /*******************************************************************************
2 
3 Copyright (c) 2001-2015, Intel Corporation
4 All rights reserved.
5 
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8 
9  1. Redistributions of source code must retain the above copyright notice,
10     this list of conditions and the following disclaimer.
11 
12  2. Redistributions in binary form must reproduce the above copyright
13     notice, this list of conditions and the following disclaimer in the
14     documentation and/or other materials provided with the distribution.
15 
16  3. Neither the name of the Intel Corporation nor the names of its
17     contributors may be used to endorse or promote products derived from
18     this software without specific prior written permission.
19 
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
31 
32 ***************************************************************************/
33 
34 #include "e1000_api.h"
35 
36 /**
37  *  e1000_init_mac_params - Initialize MAC function pointers
38  *  @hw: pointer to the HW structure
39  *
40  *  This function initializes the function pointers for the MAC
41  *  set of functions.  Called by drivers or by e1000_setup_init_funcs.
42  **/
43 s32 e1000_init_mac_params(struct e1000_hw *hw)
44 {
45 	s32 ret_val = E1000_SUCCESS;
46 
47 	if (hw->mac.ops.init_params) {
48 		ret_val = hw->mac.ops.init_params(hw);
49 		if (ret_val) {
50 			DEBUGOUT("MAC Initialization Error\n");
51 			goto out;
52 		}
53 	} else {
54 		DEBUGOUT("mac.init_mac_params was NULL\n");
55 		ret_val = -E1000_ERR_CONFIG;
56 	}
57 
58 out:
59 	return ret_val;
60 }
61 
62 /**
63  *  e1000_init_nvm_params - Initialize NVM function pointers
64  *  @hw: pointer to the HW structure
65  *
66  *  This function initializes the function pointers for the NVM
67  *  set of functions.  Called by drivers or by e1000_setup_init_funcs.
68  **/
69 s32 e1000_init_nvm_params(struct e1000_hw *hw)
70 {
71 	s32 ret_val = E1000_SUCCESS;
72 
73 	if (hw->nvm.ops.init_params) {
74 		ret_val = hw->nvm.ops.init_params(hw);
75 		if (ret_val) {
76 			DEBUGOUT("NVM Initialization Error\n");
77 			goto out;
78 		}
79 	} else {
80 		DEBUGOUT("nvm.init_nvm_params was NULL\n");
81 		ret_val = -E1000_ERR_CONFIG;
82 	}
83 
84 out:
85 	return ret_val;
86 }
87 
88 /**
89  *  e1000_init_phy_params - Initialize PHY function pointers
90  *  @hw: pointer to the HW structure
91  *
92  *  This function initializes the function pointers for the PHY
93  *  set of functions.  Called by drivers or by e1000_setup_init_funcs.
94  **/
95 s32 e1000_init_phy_params(struct e1000_hw *hw)
96 {
97 	s32 ret_val = E1000_SUCCESS;
98 
99 	if (hw->phy.ops.init_params) {
100 		ret_val = hw->phy.ops.init_params(hw);
101 		if (ret_val) {
102 			DEBUGOUT("PHY Initialization Error\n");
103 			goto out;
104 		}
105 	} else {
106 		DEBUGOUT("phy.init_phy_params was NULL\n");
107 		ret_val =  -E1000_ERR_CONFIG;
108 	}
109 
110 out:
111 	return ret_val;
112 }
113 
114 /**
115  *  e1000_init_mbx_params - Initialize mailbox function pointers
116  *  @hw: pointer to the HW structure
117  *
118  *  This function initializes the function pointers for the PHY
119  *  set of functions.  Called by drivers or by e1000_setup_init_funcs.
120  **/
121 s32 e1000_init_mbx_params(struct e1000_hw *hw)
122 {
123 	s32 ret_val = E1000_SUCCESS;
124 
125 	if (hw->mbx.ops.init_params) {
126 		ret_val = hw->mbx.ops.init_params(hw);
127 		if (ret_val) {
128 			DEBUGOUT("Mailbox Initialization Error\n");
129 			goto out;
130 		}
131 	} else {
132 		DEBUGOUT("mbx.init_mbx_params was NULL\n");
133 		ret_val =  -E1000_ERR_CONFIG;
134 	}
135 
136 out:
137 	return ret_val;
138 }
139 
140 /**
141  *  e1000_set_mac_type - Sets MAC type
142  *  @hw: pointer to the HW structure
143  *
144  *  This function sets the mac type of the adapter based on the
145  *  device ID stored in the hw structure.
146  *  MUST BE FIRST FUNCTION CALLED (explicitly or through
147  *  e1000_setup_init_funcs()).
148  **/
149 s32 e1000_set_mac_type(struct e1000_hw *hw)
150 {
151 	struct e1000_mac_info *mac = &hw->mac;
152 	s32 ret_val = E1000_SUCCESS;
153 
154 	DEBUGFUNC("e1000_set_mac_type");
155 
156 	switch (hw->device_id) {
157 	case E1000_DEV_ID_82542:
158 		mac->type = e1000_82542;
159 		break;
160 	case E1000_DEV_ID_82543GC_FIBER:
161 	case E1000_DEV_ID_82543GC_COPPER:
162 		mac->type = e1000_82543;
163 		break;
164 	case E1000_DEV_ID_82544EI_COPPER:
165 	case E1000_DEV_ID_82544EI_FIBER:
166 	case E1000_DEV_ID_82544GC_COPPER:
167 	case E1000_DEV_ID_82544GC_LOM:
168 		mac->type = e1000_82544;
169 		break;
170 	case E1000_DEV_ID_82540EM:
171 	case E1000_DEV_ID_82540EM_LOM:
172 	case E1000_DEV_ID_82540EP:
173 	case E1000_DEV_ID_82540EP_LOM:
174 	case E1000_DEV_ID_82540EP_LP:
175 		mac->type = e1000_82540;
176 		break;
177 	case E1000_DEV_ID_82545EM_COPPER:
178 	case E1000_DEV_ID_82545EM_FIBER:
179 		mac->type = e1000_82545;
180 		break;
181 	case E1000_DEV_ID_82545GM_COPPER:
182 	case E1000_DEV_ID_82545GM_FIBER:
183 	case E1000_DEV_ID_82545GM_SERDES:
184 		mac->type = e1000_82545_rev_3;
185 		break;
186 	case E1000_DEV_ID_82546EB_COPPER:
187 	case E1000_DEV_ID_82546EB_FIBER:
188 	case E1000_DEV_ID_82546EB_QUAD_COPPER:
189 		mac->type = e1000_82546;
190 		break;
191 	case E1000_DEV_ID_82546GB_COPPER:
192 	case E1000_DEV_ID_82546GB_FIBER:
193 	case E1000_DEV_ID_82546GB_SERDES:
194 	case E1000_DEV_ID_82546GB_PCIE:
195 	case E1000_DEV_ID_82546GB_QUAD_COPPER:
196 	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
197 		mac->type = e1000_82546_rev_3;
198 		break;
199 	case E1000_DEV_ID_82541EI:
200 	case E1000_DEV_ID_82541EI_MOBILE:
201 	case E1000_DEV_ID_82541ER_LOM:
202 		mac->type = e1000_82541;
203 		break;
204 	case E1000_DEV_ID_82541ER:
205 	case E1000_DEV_ID_82541GI:
206 	case E1000_DEV_ID_82541GI_LF:
207 	case E1000_DEV_ID_82541GI_MOBILE:
208 		mac->type = e1000_82541_rev_2;
209 		break;
210 	case E1000_DEV_ID_82547EI:
211 	case E1000_DEV_ID_82547EI_MOBILE:
212 		mac->type = e1000_82547;
213 		break;
214 	case E1000_DEV_ID_82547GI:
215 		mac->type = e1000_82547_rev_2;
216 		break;
217 	case E1000_DEV_ID_82571EB_COPPER:
218 	case E1000_DEV_ID_82571EB_FIBER:
219 	case E1000_DEV_ID_82571EB_SERDES:
220 	case E1000_DEV_ID_82571EB_SERDES_DUAL:
221 	case E1000_DEV_ID_82571EB_SERDES_QUAD:
222 	case E1000_DEV_ID_82571EB_QUAD_COPPER:
223 	case E1000_DEV_ID_82571PT_QUAD_COPPER:
224 	case E1000_DEV_ID_82571EB_QUAD_FIBER:
225 	case E1000_DEV_ID_82571EB_QUAD_COPPER_LP:
226 		mac->type = e1000_82571;
227 		break;
228 	case E1000_DEV_ID_82572EI:
229 	case E1000_DEV_ID_82572EI_COPPER:
230 	case E1000_DEV_ID_82572EI_FIBER:
231 	case E1000_DEV_ID_82572EI_SERDES:
232 		mac->type = e1000_82572;
233 		break;
234 	case E1000_DEV_ID_82573E:
235 	case E1000_DEV_ID_82573E_IAMT:
236 	case E1000_DEV_ID_82573L:
237 		mac->type = e1000_82573;
238 		break;
239 	case E1000_DEV_ID_82574L:
240 	case E1000_DEV_ID_82574LA:
241 		mac->type = e1000_82574;
242 		break;
243 	case E1000_DEV_ID_82583V:
244 		mac->type = e1000_82583;
245 		break;
246 	case E1000_DEV_ID_80003ES2LAN_COPPER_DPT:
247 	case E1000_DEV_ID_80003ES2LAN_SERDES_DPT:
248 	case E1000_DEV_ID_80003ES2LAN_COPPER_SPT:
249 	case E1000_DEV_ID_80003ES2LAN_SERDES_SPT:
250 		mac->type = e1000_80003es2lan;
251 		break;
252 	case E1000_DEV_ID_ICH8_IFE:
253 	case E1000_DEV_ID_ICH8_IFE_GT:
254 	case E1000_DEV_ID_ICH8_IFE_G:
255 	case E1000_DEV_ID_ICH8_IGP_M:
256 	case E1000_DEV_ID_ICH8_IGP_M_AMT:
257 	case E1000_DEV_ID_ICH8_IGP_AMT:
258 	case E1000_DEV_ID_ICH8_IGP_C:
259 	case E1000_DEV_ID_ICH8_82567V_3:
260 		mac->type = e1000_ich8lan;
261 		break;
262 	case E1000_DEV_ID_ICH9_IFE:
263 	case E1000_DEV_ID_ICH9_IFE_GT:
264 	case E1000_DEV_ID_ICH9_IFE_G:
265 	case E1000_DEV_ID_ICH9_IGP_M:
266 	case E1000_DEV_ID_ICH9_IGP_M_AMT:
267 	case E1000_DEV_ID_ICH9_IGP_M_V:
268 	case E1000_DEV_ID_ICH9_IGP_AMT:
269 	case E1000_DEV_ID_ICH9_BM:
270 	case E1000_DEV_ID_ICH9_IGP_C:
271 	case E1000_DEV_ID_ICH10_R_BM_LM:
272 	case E1000_DEV_ID_ICH10_R_BM_LF:
273 	case E1000_DEV_ID_ICH10_R_BM_V:
274 		mac->type = e1000_ich9lan;
275 		break;
276 	case E1000_DEV_ID_ICH10_D_BM_LM:
277 	case E1000_DEV_ID_ICH10_D_BM_LF:
278 	case E1000_DEV_ID_ICH10_D_BM_V:
279 		mac->type = e1000_ich10lan;
280 		break;
281 	case E1000_DEV_ID_PCH_D_HV_DM:
282 	case E1000_DEV_ID_PCH_D_HV_DC:
283 	case E1000_DEV_ID_PCH_M_HV_LM:
284 	case E1000_DEV_ID_PCH_M_HV_LC:
285 		mac->type = e1000_pchlan;
286 		break;
287 	case E1000_DEV_ID_PCH2_LV_LM:
288 	case E1000_DEV_ID_PCH2_LV_V:
289 		mac->type = e1000_pch2lan;
290 		break;
291 	case E1000_DEV_ID_PCH_LPT_I217_LM:
292 	case E1000_DEV_ID_PCH_LPT_I217_V:
293 	case E1000_DEV_ID_PCH_LPTLP_I218_LM:
294 	case E1000_DEV_ID_PCH_LPTLP_I218_V:
295 	case E1000_DEV_ID_PCH_I218_LM2:
296 	case E1000_DEV_ID_PCH_I218_V2:
297 	case E1000_DEV_ID_PCH_I218_LM3:
298 	case E1000_DEV_ID_PCH_I218_V3:
299 		mac->type = e1000_pch_lpt;
300 		break;
301 	case E1000_DEV_ID_PCH_SPT_I219_LM:
302 	case E1000_DEV_ID_PCH_SPT_I219_V:
303 	case E1000_DEV_ID_PCH_SPT_I219_LM2:
304 	case E1000_DEV_ID_PCH_SPT_I219_V2:
305 	case E1000_DEV_ID_PCH_LBG_I219_LM3:
306 	case E1000_DEV_ID_PCH_SPT_I219_LM4:
307 	case E1000_DEV_ID_PCH_SPT_I219_V4:
308 	case E1000_DEV_ID_PCH_SPT_I219_LM5:
309 	case E1000_DEV_ID_PCH_SPT_I219_V5:
310 		mac->type = e1000_pch_spt;
311 		break;
312 	case E1000_DEV_ID_PCH_CNP_I219_LM6:
313 	case E1000_DEV_ID_PCH_CNP_I219_V6:
314 	case E1000_DEV_ID_PCH_CNP_I219_LM7:
315 	case E1000_DEV_ID_PCH_CNP_I219_V7:
316 		mac->type = e1000_pch_cnp;
317 		break;
318 	case E1000_DEV_ID_82575EB_COPPER:
319 	case E1000_DEV_ID_82575EB_FIBER_SERDES:
320 	case E1000_DEV_ID_82575GB_QUAD_COPPER:
321 		mac->type = e1000_82575;
322 		break;
323 	case E1000_DEV_ID_82576:
324 	case E1000_DEV_ID_82576_FIBER:
325 	case E1000_DEV_ID_82576_SERDES:
326 	case E1000_DEV_ID_82576_QUAD_COPPER:
327 	case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
328 	case E1000_DEV_ID_82576_NS:
329 	case E1000_DEV_ID_82576_NS_SERDES:
330 	case E1000_DEV_ID_82576_SERDES_QUAD:
331 		mac->type = e1000_82576;
332 		break;
333 	case E1000_DEV_ID_82580_COPPER:
334 	case E1000_DEV_ID_82580_FIBER:
335 	case E1000_DEV_ID_82580_SERDES:
336 	case E1000_DEV_ID_82580_SGMII:
337 	case E1000_DEV_ID_82580_COPPER_DUAL:
338 	case E1000_DEV_ID_82580_QUAD_FIBER:
339 	case E1000_DEV_ID_DH89XXCC_SGMII:
340 	case E1000_DEV_ID_DH89XXCC_SERDES:
341 	case E1000_DEV_ID_DH89XXCC_BACKPLANE:
342 	case E1000_DEV_ID_DH89XXCC_SFP:
343 		mac->type = e1000_82580;
344 		break;
345 	case E1000_DEV_ID_I350_COPPER:
346 	case E1000_DEV_ID_I350_FIBER:
347 	case E1000_DEV_ID_I350_SERDES:
348 	case E1000_DEV_ID_I350_SGMII:
349 	case E1000_DEV_ID_I350_DA4:
350 		mac->type = e1000_i350;
351 		break;
352 	case E1000_DEV_ID_I210_COPPER_FLASHLESS:
353 	case E1000_DEV_ID_I210_SERDES_FLASHLESS:
354 	case E1000_DEV_ID_I210_COPPER:
355 	case E1000_DEV_ID_I210_COPPER_OEM1:
356 	case E1000_DEV_ID_I210_COPPER_IT:
357 	case E1000_DEV_ID_I210_FIBER:
358 	case E1000_DEV_ID_I210_SERDES:
359 	case E1000_DEV_ID_I210_SGMII:
360 		mac->type = e1000_i210;
361 		break;
362 	case E1000_DEV_ID_I211_COPPER:
363 		mac->type = e1000_i211;
364 		break;
365 	case E1000_DEV_ID_82576_VF:
366 	case E1000_DEV_ID_82576_VF_HV:
367 		mac->type = e1000_vfadapt;
368 		break;
369 	case E1000_DEV_ID_I350_VF:
370 	case E1000_DEV_ID_I350_VF_HV:
371 		mac->type = e1000_vfadapt_i350;
372 		break;
373 
374 	case E1000_DEV_ID_I354_BACKPLANE_1GBPS:
375 	case E1000_DEV_ID_I354_SGMII:
376 	case E1000_DEV_ID_I354_BACKPLANE_2_5GBPS:
377 		mac->type = e1000_i354;
378 		break;
379 	default:
380 		/* Should never have loaded on this device */
381 		ret_val = -E1000_ERR_MAC_INIT;
382 		break;
383 	}
384 
385 	return ret_val;
386 }
387 
388 /**
389  *  e1000_setup_init_funcs - Initializes function pointers
390  *  @hw: pointer to the HW structure
391  *  @init_device: true will initialize the rest of the function pointers
392  *		  getting the device ready for use.  false will only set
393  *		  MAC type and the function pointers for the other init
394  *		  functions.  Passing false will not generate any hardware
395  *		  reads or writes.
396  *
397  *  This function must be called by a driver in order to use the rest
398  *  of the 'shared' code files. Called by drivers only.
399  **/
400 s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device)
401 {
402 	s32 ret_val;
403 
404 	/* Can't do much good without knowing the MAC type. */
405 	ret_val = e1000_set_mac_type(hw);
406 	if (ret_val) {
407 		DEBUGOUT("ERROR: MAC type could not be set properly.\n");
408 		goto out;
409 	}
410 
411 	if (!hw->hw_addr) {
412 		DEBUGOUT("ERROR: Registers not mapped\n");
413 		ret_val = -E1000_ERR_CONFIG;
414 		goto out;
415 	}
416 
417 	/*
418 	 * Init function pointers to generic implementations. We do this first
419 	 * allowing a driver module to override it afterward.
420 	 */
421 	e1000_init_mac_ops_generic(hw);
422 	e1000_init_phy_ops_generic(hw);
423 	e1000_init_nvm_ops_generic(hw);
424 	e1000_init_mbx_ops_generic(hw);
425 
426 	/*
427 	 * Set up the init function pointers. These are functions within the
428 	 * adapter family file that sets up function pointers for the rest of
429 	 * the functions in that family.
430 	 */
431 	switch (hw->mac.type) {
432 	case e1000_82542:
433 		e1000_init_function_pointers_82542(hw);
434 		break;
435 	case e1000_82543:
436 	case e1000_82544:
437 		e1000_init_function_pointers_82543(hw);
438 		break;
439 	case e1000_82540:
440 	case e1000_82545:
441 	case e1000_82545_rev_3:
442 	case e1000_82546:
443 	case e1000_82546_rev_3:
444 		e1000_init_function_pointers_82540(hw);
445 		break;
446 	case e1000_82541:
447 	case e1000_82541_rev_2:
448 	case e1000_82547:
449 	case e1000_82547_rev_2:
450 		e1000_init_function_pointers_82541(hw);
451 		break;
452 	case e1000_82571:
453 	case e1000_82572:
454 	case e1000_82573:
455 	case e1000_82574:
456 	case e1000_82583:
457 		e1000_init_function_pointers_82571(hw);
458 		break;
459 	case e1000_80003es2lan:
460 		e1000_init_function_pointers_80003es2lan(hw);
461 		break;
462 	case e1000_ich8lan:
463 	case e1000_ich9lan:
464 	case e1000_ich10lan:
465 	case e1000_pchlan:
466 	case e1000_pch2lan:
467 	case e1000_pch_lpt:
468 	case e1000_pch_spt:
469 	case e1000_pch_cnp:
470 		e1000_init_function_pointers_ich8lan(hw);
471 		break;
472 	case e1000_82575:
473 	case e1000_82576:
474 	case e1000_82580:
475 	case e1000_i350:
476 	case e1000_i354:
477 		e1000_init_function_pointers_82575(hw);
478 		break;
479 	case e1000_i210:
480 	case e1000_i211:
481 		e1000_init_function_pointers_i210(hw);
482 		break;
483 	case e1000_vfadapt:
484 		e1000_init_function_pointers_vf(hw);
485 		break;
486 	case e1000_vfadapt_i350:
487 		e1000_init_function_pointers_vf(hw);
488 		break;
489 	default:
490 		DEBUGOUT("Hardware not supported\n");
491 		ret_val = -E1000_ERR_CONFIG;
492 		break;
493 	}
494 
495 	/*
496 	 * Initialize the rest of the function pointers. These require some
497 	 * register reads/writes in some cases.
498 	 */
499 	if (!(ret_val) && init_device) {
500 		ret_val = e1000_init_mac_params(hw);
501 		if (ret_val)
502 			goto out;
503 
504 		ret_val = e1000_init_nvm_params(hw);
505 		if (ret_val)
506 			goto out;
507 
508 		ret_val = e1000_init_phy_params(hw);
509 		if (ret_val)
510 			goto out;
511 
512 		ret_val = e1000_init_mbx_params(hw);
513 		if (ret_val)
514 			goto out;
515 	}
516 
517 out:
518 	return ret_val;
519 }
520 
521 /**
522  *  e1000_get_bus_info - Obtain bus information for adapter
523  *  @hw: pointer to the HW structure
524  *
525  *  This will obtain information about the HW bus for which the
526  *  adapter is attached and stores it in the hw structure. This is a
527  *  function pointer entry point called by drivers.
528  **/
529 s32 e1000_get_bus_info(struct e1000_hw *hw)
530 {
531 	if (hw->mac.ops.get_bus_info)
532 		return hw->mac.ops.get_bus_info(hw);
533 
534 	return E1000_SUCCESS;
535 }
536 
537 /**
538  *  e1000_clear_vfta - Clear VLAN filter table
539  *  @hw: pointer to the HW structure
540  *
541  *  This clears the VLAN filter table on the adapter. This is a function
542  *  pointer entry point called by drivers.
543  **/
544 void e1000_clear_vfta(struct e1000_hw *hw)
545 {
546 	if (hw->mac.ops.clear_vfta)
547 		hw->mac.ops.clear_vfta(hw);
548 }
549 
550 /**
551  *  e1000_write_vfta - Write value to VLAN filter table
552  *  @hw: pointer to the HW structure
553  *  @offset: the 32-bit offset in which to write the value to.
554  *  @value: the 32-bit value to write at location offset.
555  *
556  *  This writes a 32-bit value to a 32-bit offset in the VLAN filter
557  *  table. This is a function pointer entry point called by drivers.
558  **/
559 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
560 {
561 	if (hw->mac.ops.write_vfta)
562 		hw->mac.ops.write_vfta(hw, offset, value);
563 }
564 
565 /**
566  *  e1000_update_mc_addr_list - Update Multicast addresses
567  *  @hw: pointer to the HW structure
568  *  @mc_addr_list: array of multicast addresses to program
569  *  @mc_addr_count: number of multicast addresses to program
570  *
571  *  Updates the Multicast Table Array.
572  *  The caller must have a packed mc_addr_list of multicast addresses.
573  **/
574 void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
575 			       u32 mc_addr_count)
576 {
577 	if (hw->mac.ops.update_mc_addr_list)
578 		hw->mac.ops.update_mc_addr_list(hw, mc_addr_list,
579 						mc_addr_count);
580 }
581 
582 /**
583  *  e1000_force_mac_fc - Force MAC flow control
584  *  @hw: pointer to the HW structure
585  *
586  *  Force the MAC's flow control settings. Currently no func pointer exists
587  *  and all implementations are handled in the generic version of this
588  *  function.
589  **/
590 s32 e1000_force_mac_fc(struct e1000_hw *hw)
591 {
592 	return e1000_force_mac_fc_generic(hw);
593 }
594 
595 /**
596  *  e1000_check_for_link - Check/Store link connection
597  *  @hw: pointer to the HW structure
598  *
599  *  This checks the link condition of the adapter and stores the
600  *  results in the hw->mac structure. This is a function pointer entry
601  *  point called by drivers.
602  **/
603 s32 e1000_check_for_link(struct e1000_hw *hw)
604 {
605 	if (hw->mac.ops.check_for_link)
606 		return hw->mac.ops.check_for_link(hw);
607 
608 	return -E1000_ERR_CONFIG;
609 }
610 
611 /**
612  *  e1000_check_mng_mode - Check management mode
613  *  @hw: pointer to the HW structure
614  *
615  *  This checks if the adapter has manageability enabled.
616  *  This is a function pointer entry point called by drivers.
617  **/
618 bool e1000_check_mng_mode(struct e1000_hw *hw)
619 {
620 	if (hw->mac.ops.check_mng_mode)
621 		return hw->mac.ops.check_mng_mode(hw);
622 
623 	return false;
624 }
625 
626 /**
627  *  e1000_mng_write_dhcp_info - Writes DHCP info to host interface
628  *  @hw: pointer to the HW structure
629  *  @buffer: pointer to the host interface
630  *  @length: size of the buffer
631  *
632  *  Writes the DHCP information to the host interface.
633  **/
634 s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length)
635 {
636 	return e1000_mng_write_dhcp_info_generic(hw, buffer, length);
637 }
638 
639 /**
640  *  e1000_reset_hw - Reset hardware
641  *  @hw: pointer to the HW structure
642  *
643  *  This resets the hardware into a known state. This is a function pointer
644  *  entry point called by drivers.
645  **/
646 s32 e1000_reset_hw(struct e1000_hw *hw)
647 {
648 	if (hw->mac.ops.reset_hw)
649 		return hw->mac.ops.reset_hw(hw);
650 
651 	return -E1000_ERR_CONFIG;
652 }
653 
654 /**
655  *  e1000_init_hw - Initialize hardware
656  *  @hw: pointer to the HW structure
657  *
658  *  This inits the hardware readying it for operation. This is a function
659  *  pointer entry point called by drivers.
660  **/
661 s32 e1000_init_hw(struct e1000_hw *hw)
662 {
663 	if (hw->mac.ops.init_hw)
664 		return hw->mac.ops.init_hw(hw);
665 
666 	return -E1000_ERR_CONFIG;
667 }
668 
669 /**
670  *  e1000_setup_link - Configures link and flow control
671  *  @hw: pointer to the HW structure
672  *
673  *  This configures link and flow control settings for the adapter. This
674  *  is a function pointer entry point called by drivers. While modules can
675  *  also call this, they probably call their own version of this function.
676  **/
677 s32 e1000_setup_link(struct e1000_hw *hw)
678 {
679 	if (hw->mac.ops.setup_link)
680 		return hw->mac.ops.setup_link(hw);
681 
682 	return -E1000_ERR_CONFIG;
683 }
684 
685 /**
686  *  e1000_get_speed_and_duplex - Returns current speed and duplex
687  *  @hw: pointer to the HW structure
688  *  @speed: pointer to a 16-bit value to store the speed
689  *  @duplex: pointer to a 16-bit value to store the duplex.
690  *
691  *  This returns the speed and duplex of the adapter in the two 'out'
692  *  variables passed in. This is a function pointer entry point called
693  *  by drivers.
694  **/
695 s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
696 {
697 	if (hw->mac.ops.get_link_up_info)
698 		return hw->mac.ops.get_link_up_info(hw, speed, duplex);
699 
700 	return -E1000_ERR_CONFIG;
701 }
702 
703 /**
704  *  e1000_setup_led - Configures SW controllable LED
705  *  @hw: pointer to the HW structure
706  *
707  *  This prepares the SW controllable LED for use and saves the current state
708  *  of the LED so it can be later restored. This is a function pointer entry
709  *  point called by drivers.
710  **/
711 s32 e1000_setup_led(struct e1000_hw *hw)
712 {
713 	if (hw->mac.ops.setup_led)
714 		return hw->mac.ops.setup_led(hw);
715 
716 	return E1000_SUCCESS;
717 }
718 
719 /**
720  *  e1000_cleanup_led - Restores SW controllable LED
721  *  @hw: pointer to the HW structure
722  *
723  *  This restores the SW controllable LED to the value saved off by
724  *  e1000_setup_led. This is a function pointer entry point called by drivers.
725  **/
726 s32 e1000_cleanup_led(struct e1000_hw *hw)
727 {
728 	if (hw->mac.ops.cleanup_led)
729 		return hw->mac.ops.cleanup_led(hw);
730 
731 	return E1000_SUCCESS;
732 }
733 
734 /**
735  *  e1000_blink_led - Blink SW controllable LED
736  *  @hw: pointer to the HW structure
737  *
738  *  This starts the adapter LED blinking. Request the LED to be setup first
739  *  and cleaned up after. This is a function pointer entry point called by
740  *  drivers.
741  **/
742 s32 e1000_blink_led(struct e1000_hw *hw)
743 {
744 	if (hw->mac.ops.blink_led)
745 		return hw->mac.ops.blink_led(hw);
746 
747 	return E1000_SUCCESS;
748 }
749 
750 /**
751  *  e1000_id_led_init - store LED configurations in SW
752  *  @hw: pointer to the HW structure
753  *
754  *  Initializes the LED config in SW. This is a function pointer entry point
755  *  called by drivers.
756  **/
757 s32 e1000_id_led_init(struct e1000_hw *hw)
758 {
759 	if (hw->mac.ops.id_led_init)
760 		return hw->mac.ops.id_led_init(hw);
761 
762 	return E1000_SUCCESS;
763 }
764 
765 /**
766  *  e1000_led_on - Turn on SW controllable LED
767  *  @hw: pointer to the HW structure
768  *
769  *  Turns the SW defined LED on. This is a function pointer entry point
770  *  called by drivers.
771  **/
772 s32 e1000_led_on(struct e1000_hw *hw)
773 {
774 	if (hw->mac.ops.led_on)
775 		return hw->mac.ops.led_on(hw);
776 
777 	return E1000_SUCCESS;
778 }
779 
780 /**
781  *  e1000_led_off - Turn off SW controllable LED
782  *  @hw: pointer to the HW structure
783  *
784  *  Turns the SW defined LED off. This is a function pointer entry point
785  *  called by drivers.
786  **/
787 s32 e1000_led_off(struct e1000_hw *hw)
788 {
789 	if (hw->mac.ops.led_off)
790 		return hw->mac.ops.led_off(hw);
791 
792 	return E1000_SUCCESS;
793 }
794 
795 /**
796  *  e1000_reset_adaptive - Reset adaptive IFS
797  *  @hw: pointer to the HW structure
798  *
799  *  Resets the adaptive IFS. Currently no func pointer exists and all
800  *  implementations are handled in the generic version of this function.
801  **/
802 void e1000_reset_adaptive(struct e1000_hw *hw)
803 {
804 	e1000_reset_adaptive_generic(hw);
805 }
806 
807 /**
808  *  e1000_update_adaptive - Update adaptive IFS
809  *  @hw: pointer to the HW structure
810  *
811  *  Updates adapter IFS. Currently no func pointer exists and all
812  *  implementations are handled in the generic version of this function.
813  **/
814 void e1000_update_adaptive(struct e1000_hw *hw)
815 {
816 	e1000_update_adaptive_generic(hw);
817 }
818 
819 /**
820  *  e1000_disable_pcie_master - Disable PCI-Express master access
821  *  @hw: pointer to the HW structure
822  *
823  *  Disables PCI-Express master access and verifies there are no pending
824  *  requests. Currently no func pointer exists and all implementations are
825  *  handled in the generic version of this function.
826  **/
827 s32 e1000_disable_pcie_master(struct e1000_hw *hw)
828 {
829 	return e1000_disable_pcie_master_generic(hw);
830 }
831 
832 /**
833  *  e1000_config_collision_dist - Configure collision distance
834  *  @hw: pointer to the HW structure
835  *
836  *  Configures the collision distance to the default value and is used
837  *  during link setup.
838  **/
839 void e1000_config_collision_dist(struct e1000_hw *hw)
840 {
841 	if (hw->mac.ops.config_collision_dist)
842 		hw->mac.ops.config_collision_dist(hw);
843 }
844 
845 /**
846  *  e1000_rar_set - Sets a receive address register
847  *  @hw: pointer to the HW structure
848  *  @addr: address to set the RAR to
849  *  @index: the RAR to set
850  *
851  *  Sets a Receive Address Register (RAR) to the specified address.
852  **/
853 int e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
854 {
855 	if (hw->mac.ops.rar_set)
856 		return hw->mac.ops.rar_set(hw, addr, index);
857 
858 	return E1000_SUCCESS;
859 }
860 
861 /**
862  *  e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state
863  *  @hw: pointer to the HW structure
864  *
865  *  Ensures that the MDI/MDIX SW state is valid.
866  **/
867 s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
868 {
869 	if (hw->mac.ops.validate_mdi_setting)
870 		return hw->mac.ops.validate_mdi_setting(hw);
871 
872 	return E1000_SUCCESS;
873 }
874 
875 /**
876  *  e1000_hash_mc_addr - Determines address location in multicast table
877  *  @hw: pointer to the HW structure
878  *  @mc_addr: Multicast address to hash.
879  *
880  *  This hashes an address to determine its location in the multicast
881  *  table. Currently no func pointer exists and all implementations
882  *  are handled in the generic version of this function.
883  **/
884 u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
885 {
886 	return e1000_hash_mc_addr_generic(hw, mc_addr);
887 }
888 
889 /**
890  *  e1000_enable_tx_pkt_filtering - Enable packet filtering on TX
891  *  @hw: pointer to the HW structure
892  *
893  *  Enables packet filtering on transmit packets if manageability is enabled
894  *  and host interface is enabled.
895  *  Currently no func pointer exists and all implementations are handled in the
896  *  generic version of this function.
897  **/
898 bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw)
899 {
900 	return e1000_enable_tx_pkt_filtering_generic(hw);
901 }
902 
903 /**
904  *  e1000_mng_host_if_write - Writes to the manageability host interface
905  *  @hw: pointer to the HW structure
906  *  @buffer: pointer to the host interface buffer
907  *  @length: size of the buffer
908  *  @offset: location in the buffer to write to
909  *  @sum: sum of the data (not checksum)
910  *
911  *  This function writes the buffer content at the offset given on the host if.
912  *  It also does alignment considerations to do the writes in most efficient
913  *  way.  Also fills up the sum of the buffer in *buffer parameter.
914  **/
915 s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer, u16 length,
916 			    u16 offset, u8 *sum)
917 {
918 	return e1000_mng_host_if_write_generic(hw, buffer, length, offset, sum);
919 }
920 
921 /**
922  *  e1000_mng_write_cmd_header - Writes manageability command header
923  *  @hw: pointer to the HW structure
924  *  @hdr: pointer to the host interface command header
925  *
926  *  Writes the command header after does the checksum calculation.
927  **/
928 s32 e1000_mng_write_cmd_header(struct e1000_hw *hw,
929 			       struct e1000_host_mng_command_header *hdr)
930 {
931 	return e1000_mng_write_cmd_header_generic(hw, hdr);
932 }
933 
934 /**
935  *  e1000_mng_enable_host_if - Checks host interface is enabled
936  *  @hw: pointer to the HW structure
937  *
938  *  Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND
939  *
940  *  This function checks whether the HOST IF is enabled for command operation
941  *  and also checks whether the previous command is completed.  It busy waits
942  *  in case of previous command is not completed.
943  **/
944 s32 e1000_mng_enable_host_if(struct e1000_hw *hw)
945 {
946 	return e1000_mng_enable_host_if_generic(hw);
947 }
948 
949 /**
950  *  e1000_check_reset_block - Verifies PHY can be reset
951  *  @hw: pointer to the HW structure
952  *
953  *  Checks if the PHY is in a state that can be reset or if manageability
954  *  has it tied up. This is a function pointer entry point called by drivers.
955  **/
956 s32 e1000_check_reset_block(struct e1000_hw *hw)
957 {
958 	if (hw->phy.ops.check_reset_block)
959 		return hw->phy.ops.check_reset_block(hw);
960 
961 	return E1000_SUCCESS;
962 }
963 
964 /**
965  *  e1000_read_phy_reg - Reads PHY register
966  *  @hw: pointer to the HW structure
967  *  @offset: the register to read
968  *  @data: the buffer to store the 16-bit read.
969  *
970  *  Reads the PHY register and returns the value in data.
971  *  This is a function pointer entry point called by drivers.
972  **/
973 s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data)
974 {
975 	if (hw->phy.ops.read_reg)
976 		return hw->phy.ops.read_reg(hw, offset, data);
977 
978 	return E1000_SUCCESS;
979 }
980 
981 /**
982  *  e1000_write_phy_reg - Writes PHY register
983  *  @hw: pointer to the HW structure
984  *  @offset: the register to write
985  *  @data: the value to write.
986  *
987  *  Writes the PHY register at offset with the value in data.
988  *  This is a function pointer entry point called by drivers.
989  **/
990 s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data)
991 {
992 	if (hw->phy.ops.write_reg)
993 		return hw->phy.ops.write_reg(hw, offset, data);
994 
995 	return E1000_SUCCESS;
996 }
997 
998 /**
999  *  e1000_release_phy - Generic release PHY
1000  *  @hw: pointer to the HW structure
1001  *
1002  *  Return if silicon family does not require a semaphore when accessing the
1003  *  PHY.
1004  **/
1005 void e1000_release_phy(struct e1000_hw *hw)
1006 {
1007 	if (hw->phy.ops.release)
1008 		hw->phy.ops.release(hw);
1009 }
1010 
1011 /**
1012  *  e1000_acquire_phy - Generic acquire PHY
1013  *  @hw: pointer to the HW structure
1014  *
1015  *  Return success if silicon family does not require a semaphore when
1016  *  accessing the PHY.
1017  **/
1018 s32 e1000_acquire_phy(struct e1000_hw *hw)
1019 {
1020 	if (hw->phy.ops.acquire)
1021 		return hw->phy.ops.acquire(hw);
1022 
1023 	return E1000_SUCCESS;
1024 }
1025 
1026 /**
1027  *  e1000_cfg_on_link_up - Configure PHY upon link up
1028  *  @hw: pointer to the HW structure
1029  **/
1030 s32 e1000_cfg_on_link_up(struct e1000_hw *hw)
1031 {
1032 	if (hw->phy.ops.cfg_on_link_up)
1033 		return hw->phy.ops.cfg_on_link_up(hw);
1034 
1035 	return E1000_SUCCESS;
1036 }
1037 
1038 /**
1039  *  e1000_read_kmrn_reg - Reads register using Kumeran interface
1040  *  @hw: pointer to the HW structure
1041  *  @offset: the register to read
1042  *  @data: the location to store the 16-bit value read.
1043  *
1044  *  Reads a register out of the Kumeran interface. Currently no func pointer
1045  *  exists and all implementations are handled in the generic version of
1046  *  this function.
1047  **/
1048 s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
1049 {
1050 	return e1000_read_kmrn_reg_generic(hw, offset, data);
1051 }
1052 
1053 /**
1054  *  e1000_write_kmrn_reg - Writes register using Kumeran interface
1055  *  @hw: pointer to the HW structure
1056  *  @offset: the register to write
1057  *  @data: the value to write.
1058  *
1059  *  Writes a register to the Kumeran interface. Currently no func pointer
1060  *  exists and all implementations are handled in the generic version of
1061  *  this function.
1062  **/
1063 s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
1064 {
1065 	return e1000_write_kmrn_reg_generic(hw, offset, data);
1066 }
1067 
1068 /**
1069  *  e1000_get_cable_length - Retrieves cable length estimation
1070  *  @hw: pointer to the HW structure
1071  *
1072  *  This function estimates the cable length and stores them in
1073  *  hw->phy.min_length and hw->phy.max_length. This is a function pointer
1074  *  entry point called by drivers.
1075  **/
1076 s32 e1000_get_cable_length(struct e1000_hw *hw)
1077 {
1078 	if (hw->phy.ops.get_cable_length)
1079 		return hw->phy.ops.get_cable_length(hw);
1080 
1081 	return E1000_SUCCESS;
1082 }
1083 
1084 /**
1085  *  e1000_get_phy_info - Retrieves PHY information from registers
1086  *  @hw: pointer to the HW structure
1087  *
1088  *  This function gets some information from various PHY registers and
1089  *  populates hw->phy values with it. This is a function pointer entry
1090  *  point called by drivers.
1091  **/
1092 s32 e1000_get_phy_info(struct e1000_hw *hw)
1093 {
1094 	if (hw->phy.ops.get_info)
1095 		return hw->phy.ops.get_info(hw);
1096 
1097 	return E1000_SUCCESS;
1098 }
1099 
1100 /**
1101  *  e1000_phy_hw_reset - Hard PHY reset
1102  *  @hw: pointer to the HW structure
1103  *
1104  *  Performs a hard PHY reset. This is a function pointer entry point called
1105  *  by drivers.
1106  **/
1107 s32 e1000_phy_hw_reset(struct e1000_hw *hw)
1108 {
1109 	if (hw->phy.ops.reset)
1110 		return hw->phy.ops.reset(hw);
1111 
1112 	return E1000_SUCCESS;
1113 }
1114 
1115 /**
1116  *  e1000_phy_commit - Soft PHY reset
1117  *  @hw: pointer to the HW structure
1118  *
1119  *  Performs a soft PHY reset on those that apply. This is a function pointer
1120  *  entry point called by drivers.
1121  **/
1122 s32 e1000_phy_commit(struct e1000_hw *hw)
1123 {
1124 	if (hw->phy.ops.commit)
1125 		return hw->phy.ops.commit(hw);
1126 
1127 	return E1000_SUCCESS;
1128 }
1129 
1130 /**
1131  *  e1000_set_d0_lplu_state - Sets low power link up state for D0
1132  *  @hw: pointer to the HW structure
1133  *  @active: boolean used to enable/disable lplu
1134  *
1135  *  Success returns 0, Failure returns 1
1136  *
1137  *  The low power link up (lplu) state is set to the power management level D0
1138  *  and SmartSpeed is disabled when active is true, else clear lplu for D0
1139  *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
1140  *  is used during Dx states where the power conservation is most important.
1141  *  During driver activity, SmartSpeed should be enabled so performance is
1142  *  maintained.  This is a function pointer entry point called by drivers.
1143  **/
1144 s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
1145 {
1146 	if (hw->phy.ops.set_d0_lplu_state)
1147 		return hw->phy.ops.set_d0_lplu_state(hw, active);
1148 
1149 	return E1000_SUCCESS;
1150 }
1151 
1152 /**
1153  *  e1000_set_d3_lplu_state - Sets low power link up state for D3
1154  *  @hw: pointer to the HW structure
1155  *  @active: boolean used to enable/disable lplu
1156  *
1157  *  Success returns 0, Failure returns 1
1158  *
1159  *  The low power link up (lplu) state is set to the power management level D3
1160  *  and SmartSpeed is disabled when active is true, else clear lplu for D3
1161  *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
1162  *  is used during Dx states where the power conservation is most important.
1163  *  During driver activity, SmartSpeed should be enabled so performance is
1164  *  maintained.  This is a function pointer entry point called by drivers.
1165  **/
1166 s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
1167 {
1168 	if (hw->phy.ops.set_d3_lplu_state)
1169 		return hw->phy.ops.set_d3_lplu_state(hw, active);
1170 
1171 	return E1000_SUCCESS;
1172 }
1173 
1174 /**
1175  *  e1000_read_mac_addr - Reads MAC address
1176  *  @hw: pointer to the HW structure
1177  *
1178  *  Reads the MAC address out of the adapter and stores it in the HW structure.
1179  *  Currently no func pointer exists and all implementations are handled in the
1180  *  generic version of this function.
1181  **/
1182 s32 e1000_read_mac_addr(struct e1000_hw *hw)
1183 {
1184 	if (hw->mac.ops.read_mac_addr)
1185 		return hw->mac.ops.read_mac_addr(hw);
1186 
1187 	return e1000_read_mac_addr_generic(hw);
1188 }
1189 
1190 /**
1191  *  e1000_read_pba_string - Read device part number string
1192  *  @hw: pointer to the HW structure
1193  *  @pba_num: pointer to device part number
1194  *  @pba_num_size: size of part number buffer
1195  *
1196  *  Reads the product board assembly (PBA) number from the EEPROM and stores
1197  *  the value in pba_num.
1198  *  Currently no func pointer exists and all implementations are handled in the
1199  *  generic version of this function.
1200  **/
1201 s32 e1000_read_pba_string(struct e1000_hw *hw, u8 *pba_num, u32 pba_num_size)
1202 {
1203 	return e1000_read_pba_string_generic(hw, pba_num, pba_num_size);
1204 }
1205 
1206 /**
1207  *  e1000_read_pba_length - Read device part number string length
1208  *  @hw: pointer to the HW structure
1209  *  @pba_num_size: size of part number buffer
1210  *
1211  *  Reads the product board assembly (PBA) number length from the EEPROM and
1212  *  stores the value in pba_num.
1213  *  Currently no func pointer exists and all implementations are handled in the
1214  *  generic version of this function.
1215  **/
1216 s32 e1000_read_pba_length(struct e1000_hw *hw, u32 *pba_num_size)
1217 {
1218 	return e1000_read_pba_length_generic(hw, pba_num_size);
1219 }
1220 
1221 /**
1222  *  e1000_read_pba_num - Read device part number
1223  *  @hw: pointer to the HW structure
1224  *  @pba_num: pointer to device part number
1225  *
1226  *  Reads the product board assembly (PBA) number from the EEPROM and stores
1227  *  the value in pba_num.
1228  *  Currently no func pointer exists and all implementations are handled in the
1229  *  generic version of this function.
1230  **/
1231 s32 e1000_read_pba_num(struct e1000_hw *hw, u32 *pba_num)
1232 {
1233 	return e1000_read_pba_num_generic(hw, pba_num);
1234 }
1235 
1236 /**
1237  *  e1000_validate_nvm_checksum - Verifies NVM (EEPROM) checksum
1238  *  @hw: pointer to the HW structure
1239  *
1240  *  Validates the NVM checksum is correct. This is a function pointer entry
1241  *  point called by drivers.
1242  **/
1243 s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
1244 {
1245 	if (hw->nvm.ops.validate)
1246 		return hw->nvm.ops.validate(hw);
1247 
1248 	return -E1000_ERR_CONFIG;
1249 }
1250 
1251 /**
1252  *  e1000_update_nvm_checksum - Updates NVM (EEPROM) checksum
1253  *  @hw: pointer to the HW structure
1254  *
1255  *  Updates the NVM checksum. Currently no func pointer exists and all
1256  *  implementations are handled in the generic version of this function.
1257  **/
1258 s32 e1000_update_nvm_checksum(struct e1000_hw *hw)
1259 {
1260 	if (hw->nvm.ops.update)
1261 		return hw->nvm.ops.update(hw);
1262 
1263 	return -E1000_ERR_CONFIG;
1264 }
1265 
1266 /**
1267  *  e1000_reload_nvm - Reloads EEPROM
1268  *  @hw: pointer to the HW structure
1269  *
1270  *  Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the
1271  *  extended control register.
1272  **/
1273 void e1000_reload_nvm(struct e1000_hw *hw)
1274 {
1275 	if (hw->nvm.ops.reload)
1276 		hw->nvm.ops.reload(hw);
1277 }
1278 
1279 /**
1280  *  e1000_read_nvm - Reads NVM (EEPROM)
1281  *  @hw: pointer to the HW structure
1282  *  @offset: the word offset to read
1283  *  @words: number of 16-bit words to read
1284  *  @data: pointer to the properly sized buffer for the data.
1285  *
1286  *  Reads 16-bit chunks of data from the NVM (EEPROM). This is a function
1287  *  pointer entry point called by drivers.
1288  **/
1289 s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1290 {
1291 	if (hw->nvm.ops.read)
1292 		return hw->nvm.ops.read(hw, offset, words, data);
1293 
1294 	return -E1000_ERR_CONFIG;
1295 }
1296 
1297 /**
1298  *  e1000_write_nvm - Writes to NVM (EEPROM)
1299  *  @hw: pointer to the HW structure
1300  *  @offset: the word offset to read
1301  *  @words: number of 16-bit words to write
1302  *  @data: pointer to the properly sized buffer for the data.
1303  *
1304  *  Writes 16-bit chunks of data to the NVM (EEPROM). This is a function
1305  *  pointer entry point called by drivers.
1306  **/
1307 s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1308 {
1309 	if (hw->nvm.ops.write)
1310 		return hw->nvm.ops.write(hw, offset, words, data);
1311 
1312 	return E1000_SUCCESS;
1313 }
1314 
1315 /**
1316  *  e1000_write_8bit_ctrl_reg - Writes 8bit Control register
1317  *  @hw: pointer to the HW structure
1318  *  @reg: 32bit register offset
1319  *  @offset: the register to write
1320  *  @data: the value to write.
1321  *
1322  *  Writes the PHY register at offset with the value in data.
1323  *  This is a function pointer entry point called by drivers.
1324  **/
1325 s32 e1000_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg, u32 offset,
1326 			      u8 data)
1327 {
1328 	return e1000_write_8bit_ctrl_reg_generic(hw, reg, offset, data);
1329 }
1330 
1331 /**
1332  * e1000_power_up_phy - Restores link in case of PHY power down
1333  * @hw: pointer to the HW structure
1334  *
1335  * The phy may be powered down to save power, to turn off link when the
1336  * driver is unloaded, or wake on lan is not enabled (among others).
1337  **/
1338 void e1000_power_up_phy(struct e1000_hw *hw)
1339 {
1340 	if (hw->phy.ops.power_up)
1341 		hw->phy.ops.power_up(hw);
1342 
1343 	e1000_setup_link(hw);
1344 }
1345 
1346 /**
1347  * e1000_power_down_phy - Power down PHY
1348  * @hw: pointer to the HW structure
1349  *
1350  * The phy may be powered down to save power, to turn off link when the
1351  * driver is unloaded, or wake on lan is not enabled (among others).
1352  **/
1353 void e1000_power_down_phy(struct e1000_hw *hw)
1354 {
1355 	if (hw->phy.ops.power_down)
1356 		hw->phy.ops.power_down(hw);
1357 }
1358 
1359 /**
1360  *  e1000_power_up_fiber_serdes_link - Power up serdes link
1361  *  @hw: pointer to the HW structure
1362  *
1363  *  Power on the optics and PCS.
1364  **/
1365 void e1000_power_up_fiber_serdes_link(struct e1000_hw *hw)
1366 {
1367 	if (hw->mac.ops.power_up_serdes)
1368 		hw->mac.ops.power_up_serdes(hw);
1369 }
1370 
1371 /**
1372  *  e1000_shutdown_fiber_serdes_link - Remove link during power down
1373  *  @hw: pointer to the HW structure
1374  *
1375  *  Shutdown the optics and PCS on driver unload.
1376  **/
1377 void e1000_shutdown_fiber_serdes_link(struct e1000_hw *hw)
1378 {
1379 	if (hw->mac.ops.shutdown_serdes)
1380 		hw->mac.ops.shutdown_serdes(hw);
1381 }
1382 
1383